Casey from SWISCO responded:
June 29, 2023
Hello, I can't be sure since the operator arms that connect to the sash are only partially visible but I would recommend starting by comparing the specifications of the 39-146 and 39-147 Andersen operators to yours. If you notice any discrepancies, just get back to us with detailed photos and dimensions to help us research this further. Thank you! Dimensions for 39-146
Dimensions for 39-146
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